It's also an easy number to run a quick percentage count of what sails/boards I was using this year. Keep in mind that I live and work in a situation right now that allows me to sail nearly every sailable day in the bay. I take days off to rest, injury or if I'm not feeling well, so by no means am I sailing EVERY sailable day. Probably a majority, though. Also, I didn't include the handful of 2 session days in my analysis. That would change things a bit, but not a huge amount.
3.7 - 3 days 4.2 - 9 days 4.7 - 32 days 5.0 - 15 days 5.3 - 26 days 5.6 - 15 days
97 L Fanatic Skate - 72 days 86 L Fanatic Freewave - 18 days
My weight most of this season has been about 170 American pounds (77kg).
I was a little surprised to see how much more I use my bigger freestyle board than my smaller freewave. I attribute this partly to it being a lighter wind year than normal (el neenyo) and partly to my complete obsession with freestyle windsurfing (something I just started this year).
**Disclaimer: I'm not writing this to brag, or put anyone else's sailing region down. I just think it's somewhat useful information for people who visit or are considering moving to this location. Yes, it's windy here, and if you have a flexible schedule you could sail a ton.
***Disclaimer numero dos: Here's the part where I brag. I made my first spock during my 100th session of the year.